add comment for $requireLock argument

move histogram() into MetadataIndex class

Revert "histogram() change args order"

This reverts commit 4d04b7bbfe9c97673b0f22586d88e161aca34f70.

simplify dispatch()

Fixed inconsistent handling of falsy values on fperm setting

The $conf['fperm'] value was checked in multiple files using different methods.
This can cause permission trouble with restricted environ

Fixed inconsistent handling of falsy values on fperm setting

The $conf['fperm'] value was checked in multiple files using different methods.
This can cause permission trouble with restricted environments, i.e. when chmod is forbidden and file permissions are non-default.
Now, all checks use implicit cast to boolean which leads to consistent behaviour.

Also, a misleading variable was renamed in context to better understand one of the checks.

show more ...

change static methods into instance methods

fix getPID()

getPID() will be called only when the page exists.

fix set Stopwords property

move backlinks() and mediause() into MediaIndex class

AbstractIndex class const INDEX_MARK_DELETED

rename PagewordIndex to FulltextIndex

trigger error when lock/unlock index directory failed

histogram() change args order

INdexer::histogram() is only used in indexer_histogram.test.php file.

fix typo

change wordlen() to non-static method

use Indexer.php instead of PageIndex.php

dispatch indexing request to addPage() or deletePage()

refactor getPID()

getPID() : mark deleted page entry in page.idx
getPIDNoLock() : obsoleted
getPages() : exclude deleted pages

claer() idx files only created by index class

define getPages() in AbstractIndex instead of PageIndex

getPages() is inherited to each subclass of AbstractIndex, but MetadataIndex::getPages() will override the inherited method.

restore accessibility protected for getIndexWords()

separate Tokenizer class

remove Undefined method dispacher for _test

move lookup() to PagewordIndex class, reduce term 'Indexer'

make similar MetadataIndex::lookupKey() and PagewordIndex::lookup()

resolve conflictions, CodeSniffer errors